Color selection on the app detail screen

In given screen should come with default color like grey for every kind of application and depending on the requirement user can select the bootstrap color as now.also on mouse hover color color name should come in tip.

What would be the value in that? Having a specific colorful icon helps users understanding they can quickly define the color for their applications. If we have a gray default for example, people might just pass that step and end-up with a colorless app.